03-04-longest.cpp

#include <iostream>
#include <string>

using namespace std;

int main()
{
    string strmin, strmax, word;
    string::size_type lenmin,lenmax;

    cin >> word;
    strmin = strmax = word;
    lenmin = lenmax = word.size();

    while(cin >> word)
    {
        string::size_type  len = word.size();
        if(len > lenmax) {
            lenmax = len;
            strmax = word;
        }
        if(len < lenmin) {
            lenmin = len;
            strmin = word;
        }
    }

    cout << "longest: " << strmax << " [" << lenmax << "]" << endl;
    cout << "shortest: " << strmin << " [" << lenmin << "]" << endl;

    return 0;
}